POLICE have clashed with protesters at the front gates of the Sydney Conservatorium of Music ahead of a speech there by US Secretary Of State Condoleezza Rice. Anti-war activists were rallying against US involvement in Iraq as Dr Rice prepared to deliver a speech at the conservatorium. About 50 protesters gathered outside the building in Macquarie St and were met by police on foot, on horseback, and with dogs. Police used the horses to push the protesters back, as a police helicopter hovered over the scene. Police made no early arrests but had to go to the rescue of The...